Add-on Offset Bubble Level for Tripod/Head Desmond Easy Installation no Tools

Desmond Brand Offset Bubble Level for Tripod. Inserts easily between Tripod and head. Will accomodate any 3/8" or 1/4" Tripod Stud. Weighs 1.3oz (37g). 3" (76mm) internal diameter any base up to 3" will fit. 15mm (0.6") Diameter Bubble level. One piece metal (aluminum) plate. 2mm (0.08") thick Center. Lip is 4.2mm (.16") tall. Overall diameter 3.2" (82mm). Bubble housing extends approx 1.25" (30mm). Center Hole is 10mm (0.4") in diameter